AR-18 was the designation for the full auto rifle (AR-180 was the semi auto rifle). For an AR-18, $10,000 - $12,000 for a properly licenced and NFA registered rifle; about ten years in federal prison for an illegal full auto. For the AR-180, figure something in the $1500 - $1800 price range for an Armalite; up to $2500 for the imported, pre-922r rifles manufactured by Sterling and Howa. For the current production AR-180B, with the polymer receiver, $800 - $900 NIB.
what is ar caller
'Ar' represents the chemical symbol for argon, a noble gas found in group 18 of the periodic table. It is colorless, odorless, and inert, making it useful in various applications, including lighting and welding. Argon is the third most abundant gas in the Earth's atmosphere, comprising about 0.93% of it.
10 AR points
type in an AR code
Argon has three naturally occurring isotopes: ^{36}{18}Ar, ^{38}{18}Ar, and ^{40}_{18}Ar.
"AR" was a shortened form of "Armalite" - the company which designed the AR-15, AR-18, and other firearms.
"Armalite rifle" is a term used to describe two rifles developed for the Armalite Division of the Fairchild Aircraft Company - the AR-15, and the AR-18. The AR-15 was developed from the earlier AR-10. The AR-15 and AR-18 were both designed by Eugene Stoner.
That depends on the isotope, as Argon has three different stable isotopes and many different radioactive isotopes.
Argon Ar Atomic No 18 Atomic weight 39.948
When they are 18.
Argon, Ar, has the atomic number of 18 on the Periodic Table of Elements.
Atomic number 18: argon (Ar)
18 protons and 18 neutrons
Argon (Ar)
AR-18 was the designation for the full auto rifle (AR-180 was the semi auto rifle). For an AR-18, $10,000 - $12,000 for a properly licenced and NFA registered rifle; about ten years in federal prison for an illegal full auto. For the AR-180, figure something in the $1500 - $1800 price range for an Armalite; up to $2500 for the imported, pre-922r rifles manufactured by Sterling and Howa. For the current production AR-180B, with the polymer receiver, $800 - $900 NIB.
Argon is a non metal element. There are 18 electrons in a single atom.